2010
DOI: 10.1590/s1983-41952010000300005
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Relação entre a resistência à compressão da argamassa com adição de sílica ativa aplicada ao substrato e àquela obtida em corpos-de-prova cilíndricos normatizados

Abstract: Compressive strength values obtained from standardized tests are adopted in the use of silica fume mortar as a reinforcement material, however, they usually do not represent the compressive strength of mortar applied to the substratum. In a reinforcement procedure, each portion of mortar applied to the substratum undergoes densification according to the energy with which it collides with the substratum, resulting in different compressive strength values along the reinforcement; this affects the overall strengt… Show more

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Cited by 2 publications
(3 citation statements)
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“…RIw : fiber reinforcing index calculated from Eq.(4). Table (13) indicates that the experimental results are in a good agreement with the calculated values predicted by Thomas and Ramaswamy (6) .…”
Section: Wheresupporting
confidence: 82%
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“…RIw : fiber reinforcing index calculated from Eq.(4). Table (13) indicates that the experimental results are in a good agreement with the calculated values predicted by Thomas and Ramaswamy (6) .…”
Section: Wheresupporting
confidence: 82%
“…The results show that the compressive strength increases with the addition of silica fume. This is due to the physical and chemical effect of silica fume on the strength of concrete (13,14) . The maximum compressive strength obtained is for mixe with 5% silica fume as addition by weight of cement and HRWRA 2 liter/100kg of cement, so the optimum dosage of silica fume is 5% as addition by weight of cement.…”
Section: Results and Discussion Selection Of MIX Proportions For Hpcmentioning
confidence: 99%
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